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Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Northwest Oil Field patent application for Method and System for Simulating Reservoir Crustal Stress Field. Xin Shunyuan, Luo Pandeng, Li Chunyue, Cao Xusheng, Hou Fan and Wang Le developed the invention.
The p..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Shenzhen Branch China National Offshore Oil and Cnooc Deepwater Dev Ltd patent application for Dual-pore Structure Factor Permeability Earthquake Prediction Method, System, Medium and Equipment. This invention was developed by Huang Rongyan, Li Zhenshe..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Qingdao Cnpc Geotechnical Eng Co Ltd, China Petroleum Eng & Constr Corp and China National Petroleum have submitted a patent application for Rock Core Sample Obtaining Device Under Vacuum Condition for Geotechnical Engineering Exploration. This invention was developed by Ma Yongfeng, Tong Yuanhui, Liu Kaiwen..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Guangxi Liugang Gas Co Ltd and Guangxi Liugang Xinrui Gas Co Ltd have submitted a patent application for Air Separation Plant Liquid Nitrogen Gas Stripping Device and Gas Stripping Method. This invention was developed by Chang Sunfeng, Chen Ziqiang, Chen Zhibin, Zhang Guangrong, Li Hongjian, Liu Liuan, Li Yu..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Orion Machinery Co Ltd has submitted a patent application for Hydrogen Gas Supply Device and Hydrogen Gas Supply System. This invention was developed by Houjou Fumi, Furuta Yusuke, Koike Kazushi and Nakane Takahiro.
The patent application number is WO2025JP17358 20250513. The patent publication number is W..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Wijaya Erwin has filed a patent application for Cylinder Valve Integrated with Pressure Reducing Function for Compressed Natural Gas Cylinders.
The patent application number is WO2025ID00003 20250408. The patent publication number is WO2026083397 (A1). International Patent Classification code is F17C13/04..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Sinopec Group Sharing Services Co Ltd patent application for Image File Comprehensive Processing Method and Device. This invention was developed by Wang Zixuan, Yang Su, Wu Ruiqi, Pang Yongxia, Yin Heyang, Jiang Meng, Li Rushuang, Zhou Ran and Li Shipe..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has published China Nat Petroleum Corporation and CNPC Engineering Tech R&D Company Limited patent application for Downhole Fish Detection Method and System. The invention was developed by Zhang Shuo, Gao Wenkai, Teng Xinmiao, Zhang Lei, Fan Jinhui, Yu Dezhou, Peng Hao..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has received Linde GmbH and Wei Zhong Ling patent application for Method for Heat Treatment of a Non-steel Metal Strip. Wei Zhong-ling, Ekman Tomas, Zhu Heng and Feng Jun-rong developed the invention.
The patent application number is WO2024CN124763 20241014. The pa..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd have sought patent for Shaft Multiphase Flow Pressure Profile Prediction Method, Device, Equipment and Medium. This invention was developed by Xie Renjun, Wang Mingchun, Ji Yuchen, Zhang Xinrui, Zhang Hailong, Liu Yupei, Wang Tianhao, Sui ..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd have sought patent for Design and Installation Method and System of Underwater Acoustic Communication Equipment on Ocean Structure. This invention was developed by Xie Botao, Fu Dianfu, Wang Huoping, Li Da, Liu Tao, Zhang Qi, Lun Yuguo, Hu..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd have filed a patent application for Underwater Contra-rotating Compressor Blade Tip Leakage Flow Vibration Prediction Method and System Based on Fluid-structure Interaction Simulation. This invention was developed by Zhu Liya, Li Zhengyuan..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd patent application for Influence Rule Research Method of Hydraulic Fracture Crossing Behavior of Deep Shale and Application. This invention was developed by Zha..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Chongqing Natural Gas Storage and Transp Co Ltd has submitted a patent application for Mechanical Property Evaluation Method Based on Cover Layer Tension Failure and Shear Failure. This invention was developed by Tang Wei, Ouyang Mukun, You Chunli, Deng Yufan, Du Bian, Ren Zixuan and Jiang Mingyang.
The p..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Beijing Jincheng Qiuyuan Tech Co Ltd has submitted a patent application for Intelligent Analysis Method and Analysis Equipment for Post-pressure Pumping Stop Data of Shale Gas Well. Wang Xue developed the invention.
The patent application number is CN202511298045 20250911. The patent publication number is..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Cnooc Res Inst Co Ltd have filed a patent application for Fluvial Facies Reservoir Three-dimensional Space Feature Prediction Method Based on Single Well Data. This invention was developed by Fan Hongjun, Ni Jun'e, Ding Zupeng, Wang Hui, Qiu Ling, Zhang Yuqing, Zhong Qinwan, W..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Zhongyuan Oilfield Company patent application for Method for Quantitatively Analyzing Evolution Period of Ancient Pore Fluid in Sandstone Reservoir. This invention was developed by Yang Dongdong, Jiang Feihu, Wang..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst patent application for Method and System for Identifying Mobility of Hydrocarbons in Rock. This invention was developed by Xu Huiyuan, Zhu Dongya and Ding Xi.
The patent ap..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Huaxu Tangshan Petroleum Tech Co Ltd has filed a patent application for Submersible Screw Pump Cardan Shaft Test Device and Method. This invention was developed by Liu Jiajun, Zhang Shujun, Zhang Baolong, Dou Limei, Wang Shuai, Lu Yongkang, Meng Yu, Lu Wenmei and Sun Fengjiao.
The patent application numbe..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Jiangsu Jiulang High-Tech and Nanjing University of Technology have submitted a patent application for Device and Method for Detecting Pore Diameter Uniformity of Folded Filter Element Based on Gas Permeation Pressure. Zhou Hongjia, Wu Junwei, Feng Xiaxia and Zhong Zhaoxiang developed the invention.
The p..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Yixing Hyfun Energy Tech Co Ltd and Shanghai Hyfun Energy Technology have submitted a patent application for Solid Hydrogen Storage Device with Self-adaptive Temperature Control System. Fang Peijun, Fang Ge, Liu Duqing and Xuan Feng developed the invention.
The patent application number is CN202511305772 ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China National Petroleum and CNPC Engineering Mat R & D Company Limited have submitted a patent application for Device and System for Actively Reducing Gas Pulsation in Pipeline. This invention was developed by Wu Gang, Li Lifeng, Xia Ruochen, Xu Duolin, Luo Jinheng, Zhu Lixia, Xu Kangkai and Xie Shuyi.
T..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Southwest Petroleum University, Zhejiang Huizuan Tech Co Ltd and Sichuan Xieming Tech Co Ltd have submitted a patent application for Top-drive Self-adaptive Intelligent Shock Absorber. This invention was developed by Tian Jialin, Zhu Jiewen, Yang Lin, Li Weixi, Luo Yuxin and Liu Junhong.
The patent applic..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- Aerospace Hydrogen Energy Tech Co Ltd has sought patent for Helium Liquefaction Device and Method. This invention was developed by Zhao Lianpeng, Su Jianan, Li Shijun, Yan Aitong, Yin Qizhi, Liu Minghao, Bian Zhishang, Li Junbao, Zhou Huidong, Mo Yifan, Qin Kexin, Yuan Shifei, Yu Jingyu, Chen Haotong, Wang Yi..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Mitsubishi Power Ltd and Mitsubishi Heavy Industries have applied WIPO patent for Carbon Dioxide Recovery Equipment and Carbon Dioxide Recovery Method. Okui Hidetaka, Uechi Hideyuki and Yasugi Akira developed it.
The patent application number is WO2025JP33589 20250924. The patent publication number is WO20..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Nosi Network For Olfactory System Intelligence GmbH has submitted a patent application for Device and Method for Analysing a Headspace Gas. This invention was developed by Aspermair Patrik and Reiner-rozman Ciril.
The patent application number is WO2025EP78492 20251003. The patent publication number is WO2..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Kunlun Shuzhi Tech Co Ltd and China National Petroleum patent application for Container Mirror Image Processing Method, Device and Equipment Based on Large Language Model. The invention was developed by Wang Yan, Zhang Ganxiang, Zhang Liang, Li Cheng,..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for Lake Facies High-quality Hydrocarbon Source Rock Small Sample Machine Learning Quantitative Prediction Method and System Based on Geological Condition Constra..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China National Petroleum and China Nat Oil and Gas Exploration and Development Ltd have sought patent for Lake Facies Carbonate Rock Deposition Rate Prediction Method and System Based on Mie Cycle. This invention was developed by He Wenyuan, Wang Hongping, Wang Wangquan, Fan Guozhang, Wang Jingchun, Li Weiqi..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for Method, Device, Medium and Equipment for Predicting Offshore Fan Delta Reservoir Affected by Unstable Strong Reflection. Dong Hongchao, Wang Zongjun, Zhang Xia..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Univ De Coimbra has filed a patent application for Method for Regenerating Waste Lubricant Oils Using Supercritical CO2. This invention was developed by Alves Ventura Dos Santos CecÃlia Isabel and Gando De Azevedo Ferreira LicÃnio Manuel.
The patent application number is WO2025IB60395 20251013. The paten..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Ind De Nora SpA has filed a patent application for Method for Producing Hydrogen. This invention was developed by Iacopetti Luciano.
The patent application number is WO2025EP79760 20251015. The patent publication number is WO2026082793 (A1). International Patent Classification codes are C25B1/04, C25B1/044..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published China Petroleum Pipeline Engineering Corp, China National Petroleum and China Petroleum Pipeline Engineering Co Ltd patent application for Method and Device for Determining Jacking Force of Jacking Pipe, Electronic Equipment and Medium. The invention ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China National Petroleum and CNPC Engineering Mat R & D Company Limited patent application for Rapid Detection Method for Carbon Disulfide in Paraffin Remover and Inhibitor. This invention was developed by Jin Quan, Song Enpeng, Cai Ke and Bai Xiaolian..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Jiangsu Qinalloy Tech Co Ltd patent application for Improved Chute Roasting Device with Gas Leakage Prevention Structure. This invention was developed by Jin Kaifeng, Zhou Zhijian, Wang Baolin, Wu Chuang and Zhou Han.
The patent application number i..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China National Petroleum and China Huanqiu Contracting & Engineering patent application for Method, Device and Equipment for Determining Filling Duration of Hydrogen and Medium. Tang Shuo, Zhang Xuyang, Chen Shengbin, Bian Siying and Chen Ping develope..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- Prochip Gas Shanghai Co Ltd has applied WIPO patent for Liquid Nitrogen Supply System. Bai Jiu, Zhao Yingyi and Lin Chen developed it.
The patent application number is WO2025CN121511 20250916. The patent publication number is WO2026081762 (A1). International Patent Classification codes are F17D1/08, F17D3/..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for System and Method for Verifying Effect of Co2 Replacement of Methane Hydrate Above Equilibrium Pressure. The invention was developed by Pang Weixin, Li Zhong,..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Chang'an University has submitted a patent application for Method for Judging High and Low Temperature Oxidation Combustion State in Heavy Oil Fireflooding Process. Liu Yan, Cui Lin, Zheng Huayu, Wang Kang and Sun Sijuan developed the invention.
The patent application number is CN202511260315 20250904. Th..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Shanghai Zhengzhou Intelligent Tech Co Ltd patent application for Comprehensive Performance Evaluation Method for Sulfur Hexafluoride Substitute Gas. Qian Jiafu and Shi Jun developed the invention.
The patent application number is CN202511255604 202..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Huaneng Clean Energy Res Institute and Huaneng Qingyang Coal and Electricity patent application for Deep Well Gas-liquid Mixture Sampling System and Method. This invention was developed by Zhang Jian, Liu Zhiwen, Liu Lianbo, Nie Yaowu, Yuan Haowei, Hou..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Shanxi Changcun Dacheng Energy Saving Tech Co Ltd patent application for Multi-stage Oil-gas Separation Type Air Compressor. This invention was developed by Yang Zhenrui, Yin Changsheng, Guo Yueyue, Dou Xinyu, Li Songjie, Jiang Tao and Ning Yang.
Th..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Cnpc Jichai Power Company Ltd and China National Petroleum have applied Chinese patent for Methanol Engine Air Inlet Device for Well Drilling, Control Method of Methanol Engine Air Inlet Device and Engine. Li Yang, Zhang Hao, Sun Qichao, Wang Wenwu, Zhang Pengbo, Fu Huali, Jiang Zhichao, Ma Junjie, Li Huichu..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Dongfeng Motor Group patent application for Gas Supply System and Method Thereof. An Tao developed the invention.
The patent application number is CN202511562184 20251029. The patent publication number is CN121139214 (A). International Patent Classi..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Dalian Haoyu Machinery Equipment Co Ltd patent application for Petroleum Sampling Device for Producing Well. Wang Duo, Han Zhenguo and Yuan Jin'e developed the invention.
The patent application number is CN202511661406 20251113. The patent publicati..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Fracture Inversion Optimization Method Based on Optical Fiber Strain Monitoring After Fracturing Pump Stop. This invention was developed by Chen Ming, Hu Xingyu, Guo Tiankui, Liu Yongzan,..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has submitted a patent application for Iron-rich Rock Mass Magnetic Source Positioning Method and Device. This invention was developed by Yue Xingfu, Ma Hui, Li Bo, Qi Wen, Tao Gang and Yin Lu.
The patent application number is CN202510993897 20250718. The patent publication number is CN121142658 ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Seismic Signal Denoising Method Based on Direction Disturbance and Sparse Transformation Response. This invention was developed by Su Yufei, Song Jianguo and Li Zhe.
The patent applicati..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China University of Petroleum, East China patent application for Fault Distance Measurement Method for Tree-shaped Power Distribution Network Containing Distributed Power Supplies. Zhu Guochen, Zhang Longlong, Wang Yansong and Liu Shan developed the in..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China University of Petroleum, Beijing has submitted a patent application for Rock Core Hydration Strain Monitoring Method and Device Based on Multi-source Fusion Data. This invention was developed by Li Jiaxin, Fang Zheng, Sui Weibo, Lu Yunhu, Zhao Changjun, Chen Mian, Wang Su, Zhang Yazhou and Wang Xing.
..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China University of Petroleum, Beijing has submitted a patent application for Crack Corrosion Testing Device. This invention was developed by Zhang Zheng, Wu Yuxi, Liu Shuaihao and Guo Yanbao.
The patent application number is CN202511651252 20251112. The patent publication number is CN121141850 (A). Interna..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China University of Petroleum, East China has sought patent for Method and System for Determining Stable Equilibrium Point of Hydrate Based on Raman Spectrum. This invention was developed by Huang Xi, Chen Yong and Wang Miao.
The patent application number is CN202511361324 20250923. The patent publication n..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has sought patent for Wettability Characterization Method and Device Based on Dynamic Contact Angle. This invention was developed by Wu Songtao, Wu Kunyu, Guan Modi, Pan Bin, Zhang Jing, Yu Zhichao and Zhou Yuhang.
The patent application number is CN202511331746 20250917. The patent publication n..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Northeast Petroleum University patent application for Method and Device for Improving Resolution of Digital Core Image. The invention was developed by Zhang Yubo, Han Chao, Liu Meiyi, Geng Juanjuan, Wang Tingting and Jiang Nan.
The patent application..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China University of Petroleum, East China has submitted a patent application for Fourier Domain Prior-guided Zero Sample Video Relighting Method. This invention was developed by Lyu Xiang, Shao Mingwen, Liu Chang and Meng Lingzhuang.
The patent application number is CN202511488227 20251017. The patent publi..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- PetroChina has submitted a patent application for Method and Device for Determining Liquid Extraction Scheme of Water-flooding Oil Field. This invention was developed by Cheng Li, Dong Xiaowei, He Shumei, Lu Yi, Zhao Yongfeng, Zhou Lianmin, Wang Dong, Zhang Qiong, Xu Sheng and Teng Jingyi.
The patent applic..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has filed a patent application for Gas Storage Cover Layer Sealing Performance Analysis Method. This invention was developed by Wang Yan, Jiang Huaquan, Yang Ying, Li Limin, Ren Ke and Zeng Juan.
The patent application number is CN202410767542 20240614. The patent publication number is CN12114105..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released PetroChina patent application for New Well Benefit Evaluation Method Constrained by Three Standards. This invention was developed by Dai Li, Ding Guixia, Yao Xin, Guo Lili, Zhong Xiaogang, Chu Jiangtian and Xie Guangyue.
The patent application number ..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Baker Hughes Energy Technology has submitted a patent application for Permeation-barrier and Method of Manufacture. This invention was developed by Cafferkey Matthew David, Robinson Paul Robert and Green Spencer Richard.
The patent application number is WO2025EP78831 20251007. The patent publication number..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Structural Damage Identification Method of Quasi-newton Iteration Nonlinear Rcd Algorithm. This invention was developed by Huang Sining, Liu Shanxin, Ma Yuxin, Qiao Tiantian, Zhang Lianzh..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Tianjin University of Technology and Education China Vocational Training Instructor Training Center has sought patent for Crude Oil Leakage Target Identification and Traceability Method for Offshore Platform. This invention was developed by Zhang Shihai and Qu Zhongnian.
The patent application number is C..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Bag Type Pore Plate Attenuator for Pipeline Vibration Control. This invention was developed by Chen Yanfei, Zhuang Yixuan, Lu Shuntian, Peng Jin, Xu Huiwen, Huang Buyun, Liu Yu, Zhong Rongfe..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Zhanjiang Branch of China National Offshore Oil has submitted a patent application for Multi-stage Dynamic Sealing Pressure Balance Management Method and System. This invention was developed by Jian Cheng, Wang Wei, Liu Hexing, Ma Lei, Zhao Baoxiang, Guo Wei, Yu Yi, Qin Tianjun, Jiang Quanmin, Wang Hao, Sun ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Nat Inner Mongolia Xilaifeng Electric Power Co Ltd has sought patent for Bearing Box Airtight Chamber Oil Shield. This invention was developed by Wang Zhixiong, Zhang Zhanwen, Wang Wenbao, Jiang Haibo, Han Xiaorui, Li Yongming and Wang Xuexin.
The patent application number is CN202511565566 20251030. The ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has filed a patent application for Shale Oil Horizontal Well Movable Oil Content Calculation Method and Productivity Prediction Method. This invention was developed by Chen Changwei, Song Shunyao, Yang Fei, Guan Quansheng, Wan Yonggang, Cui Yu, Zeng Haiwei, Gao Huanhuan, Yang Wei and Yan Tuo.
The..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Simulation Device and Method for Fluid Flow in Thickened Oil Overflow Shaft and Pipe Coagulation and Drilling Tool Jamming. This invention was developed by Yang Hongwei, Li Jun, Zhang Hui, Z..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has submitted a patent application for Quantitative Discrimination Method for Inter-well Crosstalk Degree Based on Dynamic Data Analysis. Guan Quansheng, Wan Yonggang, Yan Tuo, Zeng Haiwei, Tai Chunlei, Gao Huanhuan, Jia Chen and Gong Kaipeng developed the invention.
The patent application number..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has received Linde China Forklift Truck; Kion Jinan Forklift patent application for AGV Portal Motion Speed Control Method and AGV. Lin Fengyan, Wu Jianyang, Cui Lei and Zhang Teng developed the invention.
The patent application number is CN202511282983 20250909..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- ABB has submitted a patent application for System and Method for Determining a Gas Flow in a Gas Delivery Arrangement. Kramer Axel, Castro Pedro, Ackermann Patric and Mendoza Francisco developed the invention.
The patent application number is US202519366659 20251023. The patent publication number is US..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- U.S. Patent and Trademark Office has received Voltagrid LLC patent application for Modular Gas Processing System. Ough Nathan, Wise Leslie Michael and Gill Tejinder Singh developed the invention.
The patent application number is US202519428992 20251222. The patent publication number is US20260108839 (A..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Imec Vzw and KU Leuven have applied United States patent for Method and System for CO2 Reduction. Van Leeuwen Marieke and Vereecken Philippe developed it.
The patent application number is US202519359154 20251015. The patent publication number is US20260108838 (A1). International Patent Classification c..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- U.S. Patent and Trademark Office has released Pan Yang and Inspiring Atoms Pte Ltd patent application for Chamber with Grounded Ion Filter for Enhanced Atomic Layer Etching Processes for High Aspect Ratio Structures. This invention was developed by Pan Yang.
The patent application number is US202418920..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd patent application for Hydrocracking Catalyst as Well as Preparation Method and Application Thereof. The invention was developed by Sheng Qingqing, Zhu Huiho..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 27 -- PetroChina; China Huanqiu Contracting & Engineering has applied Chinese patent for Green Synthesis Ammonia and Organic Liquid Hydrogen Storage Combined Device. Tang Shuo, Chen Shengbin, Wu Yan, Ma Mingyan, Wang Yong, Sun Changgeng, Bian Siying and Zhao Hongxia developed it.
The patent application number i..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 27 -- Southwest Petroleum University has submitted a patent application for Material Mixing Treatment Device for Construction Site. This invention was developed by Fan Shichen.
The patent application number is CN202511697908 20251119. The patent publication number is CN121130699 (A). International Patent Classi..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- Hefei Yanzhuang Oils has applied Chinese patent for Ground Sesameseed Oil Purification and Extraction Equipment and Method. Hao Zejin, Wen Zhizhou and Xin Hongquan developed it.
The patent application number is CN202511173485 20250821. The patent publication number is CN121136763 (A). International Patent..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has published Hebei Petrochina Center Hospital patent application for Optimized Alanine Aminotransferase Assay Kit. The invention was developed by Zhao Yingfei, Wang Fangyuan, Zhou Zhiwei and Yin Guangyue.
The patent application number is CN202511379176 20250925..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- Shenzhen Branch China National Offshore Oil; Cnooc Deepwater Dev Ltd has filed a patent application for Flow Measuring and Adjusting Device for Layered Gas Injection Well. This invention was developed by Xiong Shuquan, Cheng Jia, Wan Nianhui, Li Yongfeng, Duan Rui, He Lipeng, Shi Zukuan, Miao Yun, Song Ling'..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- Jiangsu Subo Petrochemical Machinery has submitted a patent application for Oil and Gas Wellhead and Casing Head Integrated Device and Control System Thereof. Sun Shengqing, Chen Yan and Zhang Guobing developed the invention.
The patent application number is CN202511182054 20250822. The patent publication..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has released Yancheng Baixin Petroleum Machinery Co Ltd patent application for Multi-valve Cooperative Control System and Method for Throttle Manifold Control Box. This invention was developed by Wang Ziming, Wang Libing, Su You, Zhou Huiyong and Liu Lijie.
The ..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- Exxonmobil Huizhou Chemical Co Ltd has filed a patent application for Polyethylene Composition and Polyethylene Film Prepared from Same. This invention was developed by Sheng Yujie, Qin Wei, Zou Ying and Yao Zengzeng.
The patent application number is CN202511388021 20250926. The patent publication number ..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- ExxonMobil Technology and Engineering has filed a patent application for Proppant Particles Formed from Fluid Coke and Flexicoke, Fracturing Fluids Comprising Such Proppant Particles, and Methods Related Thereto. This invention was developed by Gordon Peter A and Spiecker P Matthew.
The patent applicatio..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Chevron Phillips Chemical has submitted a patent application for Storage Stable Metallocene Solutions and Uses Thereof in Catalyst Systems for Ethylene Polymerization. This invention was developed by Praetorius Jeremy M, Chen Zhou, Winton Elizabeth and Sheline Casey.
The patent application number is US20..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has received PetroChina patent application for Polyolefin Self-repairing Material and Preparation Method Thereof. Zhang Yingjie, Chen Shangtao, Li Shuanhong, Hu Qing, Shi Xingbo, Cai Yudong, Qin Yawei and Hu Hongfan developed the invention.
The patent application ..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has published PetroChina patent application for Functionalized Liquid Styrene-butadiene Rubber as Well as Preparation Method and Application Thereof. The invention was developed by Qiu Guanjun, Yang Hailong, Zhao Zhichao, Li Fuchong, Wang Wancheng, Zhong Qilin, Wan..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Florida Power & Light has filed a patent application for Gas Pipeline Pathway Analysis, Control and Communication. This invention was developed by Sudhakar Rahul, Kaufman Richard E, Gorman Lisa F, Macon Max R and Acosta Manuel P.
The patent application number is US202418924927 20241023. The patent publ..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Schlumberger Technology has applied United States patent for Digital Flowmeter for Wellbores Implementing Electrical Submersible Pumps. Useche Gamboa Marcos Alberto, Florez Fabian, Noya Jose Vidal, Franco Jerez Francy Milena and Rueda Sanabria Adriana Paola developed it.
The patent application number is ..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Halliburton Energy Services has applied United States patent for Discrete Cone for Expandable Liner Hanger in Casings with Restrictions. Zhong Xiaoguang Allan, Zhao Yian and Tan Vern Szen developed it.
The patent application number is US202418922034 20241021. The patent publication number is US2026011023..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- U.S. Patent and Trademark Office has published Chevron USA patent application for Subsea Pipe with Integrated Filter. The invention was developed by Dayanand Nikhil and Sharp Jarred Christopher.
The patent application number is US202519423824 20251217. The patent publication number is US20260110237 (A1)...
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Schlumberger Technology has submitted a patent application for Carbon Sequestration and Storage Site Selection and Usage. This invention was developed by Ma Jun Tao, Han Mengyu, Wang Jing, De Gennaro Vincenzo, Su Shao Yong, Li Bingtao, Yan Pei and Ji Ye.
The patent application number is US202519288653 20..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- U.S. Patent and Trademark Office has received Schlumberger Technology patent application for Electric Annular Blowout Preventer with Radial Compression of Packer. Boulanger Bruce, Kroesen Gerrit and Katanguri Suman developed the invention.
The patent application number is US202519365792 20251022. The pat..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Halliburton Energy Services has submitted a patent application for Intervention-less Method of Setting Open Hole Packers. Dave Jalpan Piyush, Fripp Michael Linley and Eldho Shanu Thottungal developed the invention.
The patent application number is US202519383230 20251107. The patent publication number is..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Schlumberger Technology has submitted a patent application for Real-time Well Productivity Index Optimization in Underbalanced Drilling. This invention was developed by Alhashim Ali Hasan, Rangel Escarra Pedro Daniel, Zain Elabdin Taha Mazin, El Droubi Nour, Ramatullayev Samat, Albuali Abdullah Yaseen, Da..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Halliburton Energy Services has submitted a patent application for Coiled Tubing Injector System Including a Trolley Track and Trolley for Support Thereof. This invention was developed by Domann Robert Eugene and Hampson Richard Joseph.
The patent application number is US202418921380 20241021. The patent..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Halliburton Energy Services has submitted a patent application for Travel Joint with a Dual Encapsulated Coil Stroke System and Method for Using the Same. This invention was developed by Lima Glaucio Roberto Alves Da Silva, Rodrigues Junior Desiderio Naegele and Medina Jorge Arturo Hinostroza.
The patent..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Halliburton Energy Services has filed a patent application for Actuator with Movable Cylinder for Rotary Steerable System. This invention was developed by Zhang Lizheng and Agnihotri Mukul M.
The patent application number is US202519240304 20250617. The patent publication number is US20260110220 (A1). In..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- Zhanjiang Branch of China National Offshore Oil has sought patent for Separable Rock Core Storage Box. This invention was developed by Ando Rei, Bai Yuanping, Mo Guoyan, Wang Ruike, Huang Kaizhan, Liao Rongjie, Zhong Peng and Liu Shining.
The patent application number is CN202511608215 20251105. The patent ..
Oil & Gas
| Fri 24 Apr 2026
Alexandria, April 25 -- China Nat Petroleum Corporation and CNPC Chuanqing Drilling Engineering have obtained a patent for gamma fusion computing method based on gamma probe state parameters. This invention was developed by Lu Dengyun, Bai Jing, Li Lei, Zhang Jichuan, Huang Chongjun, Liao Chong, Chen Junbin, Zhang Bin, Dong Zhig..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Chevron USA has applied United States patent for High Voltage Submarine Cable Systems. Hajiaghajani Masoud and Clement Gregory Joseph developed it.
The patent application number is US202418411629 20240112. The patent publication number is US20260112520 (A1). International Patent Classification codes are ..
Oil & Gas
| Fri 24 Apr 2026
Alexandria, April 25 -- China Petroleum & Chemical Corp and Shanghai Research Institute Of Petrochemical Tech Sinopec have obtained a patent for method for preparing p-xylene by biomass conversion. This invention was developed by Yang Weimin, Li Xiangcheng, Wang Zhendong, Feng Xinqiang, Han Xiao, Xu Rui, Liu Chuang, Yuan Zhiqing..
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